19700008 has 32 divisors (see below), whose sum is σ = 40075560. Its totient is φ = 9041920.

The previous prime is 19699997. The next prime is 19700027. The reversal of 19700008 is 80000791.

It can be written as a sum of positive squares in 4 ways, for example, as 17322244 + 2377764 = 4162^2 + 1542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810 + ... + 7342.

Almost surely, 2^19700008 is an apocalyptic number.

It is an amenable number.

19700008 is an abundant number, since it is smaller than the sum of its proper divisors (20375552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19700008 is a wasteful number, since it uses less digits than its factorization.

19700008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 19700008 is about 4438.4691054462. The cubic root of 19700008 is about 270.0777462437.

Adding to 19700008 its reverse (80000791), we get a palindrome (99700799).

The spelling of 19700008 in words is "nineteen million, seven hundred thousand, eight".